4 # Copyright (C) 2006, 2007, 2010 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 """Cluster related commands"""
23 # pylint: disable-msg=W0401,W0613,W0614,C0103
24 # W0401: Wildcard import ganeti.cli
25 # W0613: Unused argument, since all functions follow the same API
26 # W0614: Unused import %s from wildcard import (since we need cli)
27 # C0103: Invalid name gnt-cluster
33 from ganeti.cli import *
34 from ganeti import opcodes
35 from ganeti import constants
36 from ganeti import errors
37 from ganeti import utils
38 from ganeti import bootstrap
39 from ganeti import ssh
40 from ganeti import objects
41 from ganeti import uidpool
42 from ganeti import compat
46 def InitCluster(opts, args):
47 """Initialize the cluster.
49 @param opts: the command line options selected by the user
51 @param args: should contain only one element, the desired
54 @return: the desired exit code
57 if not opts.lvm_storage and opts.vg_name:
58 ToStderr("Options --no-lvm-storage and --vg-name conflict.")
61 vg_name = opts.vg_name
62 if opts.lvm_storage and not opts.vg_name:
63 vg_name = constants.DEFAULT_VG
65 if not opts.drbd_storage and opts.drbd_helper:
66 ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
69 drbd_helper = opts.drbd_helper
70 if opts.drbd_storage and not opts.drbd_helper:
71 drbd_helper = constants.DEFAULT_DRBD_HELPER
73 master_netdev = opts.master_netdev
74 if master_netdev is None:
75 master_netdev = constants.DEFAULT_BRIDGE
77 hvlist = opts.enabled_hypervisors
79 hvlist = constants.DEFAULT_ENABLED_HYPERVISOR
80 hvlist = hvlist.split(",")
82 hvparams = dict(opts.hvparams)
83 beparams = opts.beparams
84 nicparams = opts.nicparams
86 # prepare beparams dict
87 beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
88 utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
90 # prepare nicparams dict
91 nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
92 utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
94 # prepare ndparams dict
95 if opts.ndparams is None:
96 ndparams = dict(constants.NDC_DEFAULTS)
98 ndparams = objects.FillDict(constants.NDC_DEFAULTS, opts.ndparams)
99 utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
101 # prepare hvparams dict
102 for hv in constants.HYPER_TYPES:
103 if hv not in hvparams:
105 hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
106 utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
108 if opts.candidate_pool_size is None:
109 opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT
111 if opts.mac_prefix is None:
112 opts.mac_prefix = constants.DEFAULT_MAC_PREFIX
114 uid_pool = opts.uid_pool
115 if uid_pool is not None:
116 uid_pool = uidpool.ParseUidPool(uid_pool)
118 if opts.prealloc_wipe_disks is None:
119 opts.prealloc_wipe_disks = False
122 primary_ip_version = int(opts.primary_ip_version)
123 except (ValueError, TypeError), err:
124 ToStderr("Invalid primary ip version value: %s" % str(err))
127 bootstrap.InitCluster(cluster_name=args[0],
128 secondary_ip=opts.secondary_ip,
130 mac_prefix=opts.mac_prefix,
131 master_netdev=master_netdev,
132 file_storage_dir=opts.file_storage_dir,
133 enabled_hypervisors=hvlist,
138 candidate_pool_size=opts.candidate_pool_size,
139 modify_etc_hosts=opts.modify_etc_hosts,
140 modify_ssh_setup=opts.modify_ssh_setup,
141 maintain_node_health=opts.maintain_node_health,
142 drbd_helper=drbd_helper,
144 default_iallocator=opts.default_iallocator,
145 primary_ip_version=primary_ip_version,
146 prealloc_wipe_disks=opts.prealloc_wipe_disks,
148 op = opcodes.OpPostInitCluster()
149 SubmitOpCode(op, opts=opts)
154 def DestroyCluster(opts, args):
155 """Destroy the cluster.
157 @param opts: the command line options selected by the user
159 @param args: should be an empty list
161 @return: the desired exit code
164 if not opts.yes_do_it:
165 ToStderr("Destroying a cluster is irreversible. If you really want"
166 " destroy this cluster, supply the --yes-do-it option.")
169 op = opcodes.OpDestroyCluster()
170 master = SubmitOpCode(op, opts=opts)
171 # if we reached this, the opcode didn't fail; we can proceed to
172 # shutdown all the daemons
173 bootstrap.FinalizeClusterDestroy(master)
177 def RenameCluster(opts, args):
178 """Rename the cluster.
180 @param opts: the command line options selected by the user
182 @param args: should contain only one element, the new cluster name
184 @return: the desired exit code
189 (cluster_name, ) = cl.QueryConfigValues(["cluster_name"])
193 usertext = ("This will rename the cluster from '%s' to '%s'. If you are"
194 " connected over the network to the cluster name, the"
195 " operation is very dangerous as the IP address will be"
196 " removed from the node and the change may not go through."
197 " Continue?") % (cluster_name, new_name)
198 if not AskUser(usertext):
201 op = opcodes.OpRenameCluster(name=new_name)
202 result = SubmitOpCode(op, opts=opts, cl=cl)
205 ToStdout("Cluster renamed from '%s' to '%s'", cluster_name, result)
210 def RedistributeConfig(opts, args):
211 """Forces push of the cluster configuration.
213 @param opts: the command line options selected by the user
215 @param args: empty list
217 @return: the desired exit code
220 op = opcodes.OpRedistributeConfig()
221 SubmitOrSend(op, opts)
225 def ShowClusterVersion(opts, args):
226 """Write version of ganeti software to the standard output.
228 @param opts: the command line options selected by the user
230 @param args: should be an empty list
232 @return: the desired exit code
236 result = cl.QueryClusterInfo()
237 ToStdout("Software version: %s", result["software_version"])
238 ToStdout("Internode protocol: %s", result["protocol_version"])
239 ToStdout("Configuration format: %s", result["config_version"])
240 ToStdout("OS api version: %s", result["os_api_version"])
241 ToStdout("Export interface: %s", result["export_version"])
245 def ShowClusterMaster(opts, args):
246 """Write name of master node to the standard output.
248 @param opts: the command line options selected by the user
250 @param args: should be an empty list
252 @return: the desired exit code
255 master = bootstrap.GetMaster()
260 def _PrintGroupedParams(paramsdict, level=1, roman=False):
261 """Print Grouped parameters (be, nic, disk) by group.
263 @type paramsdict: dict of dicts
264 @param paramsdict: {group: {param: value, ...}, ...}
266 @param level: Level of indention
270 for item, val in sorted(paramsdict.items()):
271 if isinstance(val, dict):
272 ToStdout("%s- %s:", indent, item)
273 _PrintGroupedParams(val, level=level + 1, roman=roman)
274 elif roman and isinstance(val, int):
275 ToStdout("%s %s: %s", indent, item, compat.TryToRoman(val))
277 ToStdout("%s %s: %s", indent, item, val)
280 def ShowClusterConfig(opts, args):
281 """Shows cluster information.
283 @param opts: the command line options selected by the user
285 @param args: should be an empty list
287 @return: the desired exit code
291 result = cl.QueryClusterInfo()
293 ToStdout("Cluster name: %s", result["name"])
294 ToStdout("Cluster UUID: %s", result["uuid"])
296 ToStdout("Creation time: %s", utils.FormatTime(result["ctime"]))
297 ToStdout("Modification time: %s", utils.FormatTime(result["mtime"]))
299 ToStdout("Master node: %s", result["master"])
301 ToStdout("Architecture (this node): %s (%s)",
302 result["architecture"][0], result["architecture"][1])
305 tags = utils.CommaJoin(utils.NiceSort(result["tags"]))
309 ToStdout("Tags: %s", tags)
311 ToStdout("Default hypervisor: %s", result["default_hypervisor"])
312 ToStdout("Enabled hypervisors: %s",
313 utils.CommaJoin(result["enabled_hypervisors"]))
315 ToStdout("Hypervisor parameters:")
316 _PrintGroupedParams(result["hvparams"])
318 ToStdout("OS-specific hypervisor parameters:")
319 _PrintGroupedParams(result["os_hvp"])
321 ToStdout("OS parameters:")
322 _PrintGroupedParams(result["osparams"])
324 ToStdout("Cluster parameters:")
325 ToStdout(" - candidate pool size: %s",
326 compat.TryToRoman(result["candidate_pool_size"],
327 convert=opts.roman_integers))
328 ToStdout(" - master netdev: %s", result["master_netdev"])
329 ToStdout(" - lvm volume group: %s", result["volume_group_name"])
330 if result["reserved_lvs"]:
331 reserved_lvs = utils.CommaJoin(result["reserved_lvs"])
333 reserved_lvs = "(none)"
334 ToStdout(" - lvm reserved volumes: %s", reserved_lvs)
335 ToStdout(" - drbd usermode helper: %s", result["drbd_usermode_helper"])
336 ToStdout(" - file storage path: %s", result["file_storage_dir"])
337 ToStdout(" - maintenance of node health: %s",
338 result["maintain_node_health"])
339 ToStdout(" - uid pool: %s",
340 uidpool.FormatUidPool(result["uid_pool"],
341 roman=opts.roman_integers))
342 ToStdout(" - default instance allocator: %s", result["default_iallocator"])
343 ToStdout(" - primary ip version: %d", result["primary_ip_version"])
344 ToStdout(" - preallocation wipe disks: %s", result["prealloc_wipe_disks"])
346 ToStdout("Default instance parameters:")
347 _PrintGroupedParams(result["beparams"], roman=opts.roman_integers)
349 ToStdout("Default nic parameters:")
350 _PrintGroupedParams(result["nicparams"], roman=opts.roman_integers)
355 def ClusterCopyFile(opts, args):
356 """Copy a file from master to some nodes.
358 @param opts: the command line options selected by the user
360 @param args: should contain only one element, the path of
361 the file to be copied
363 @return: the desired exit code
367 if not os.path.exists(filename):
368 raise errors.OpPrereqError("No such filename '%s'" % filename,
373 cluster_name = cl.QueryConfigValues(["cluster_name"])[0]
375 results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
376 secondary_ips=opts.use_replication_network)
378 srun = ssh.SshRunner(cluster_name=cluster_name)
380 if not srun.CopyFileToNode(node, filename):
381 ToStderr("Copy of file %s to node %s failed", filename, node)
386 def RunClusterCommand(opts, args):
387 """Run a command on some nodes.
389 @param opts: the command line options selected by the user
391 @param args: should contain the command to be run and its arguments
393 @return: the desired exit code
398 command = " ".join(args)
400 nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
402 cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
405 srun = ssh.SshRunner(cluster_name=cluster_name)
407 # Make sure master node is at list end
408 if master_node in nodes:
409 nodes.remove(master_node)
410 nodes.append(master_node)
413 result = srun.Run(name, "root", command)
414 ToStdout("------------------------------------------------")
415 ToStdout("node: %s", name)
416 ToStdout("%s", result.output)
417 ToStdout("return code = %s", result.exit_code)
422 def VerifyCluster(opts, args):
423 """Verify integrity of cluster, performing various test on nodes.
425 @param opts: the command line options selected by the user
427 @param args: should be an empty list
429 @return: the desired exit code
433 if opts.skip_nplusone_mem:
434 skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
435 op = opcodes.OpVerifyCluster(skip_checks=skip_checks,
436 verbose=opts.verbose,
437 error_codes=opts.error_codes,
438 debug_simulate_errors=opts.simulate_errors)
439 if SubmitOpCode(op, opts=opts):
445 def VerifyDisks(opts, args):
446 """Verify integrity of cluster disks.
448 @param opts: the command line options selected by the user
450 @param args: should be an empty list
452 @return: the desired exit code
457 op = opcodes.OpVerifyDisks()
458 result = SubmitOpCode(op, opts=opts, cl=cl)
459 if not isinstance(result, (list, tuple)) or len(result) != 3:
460 raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")
462 bad_nodes, instances, missing = result
464 retcode = constants.EXIT_SUCCESS
467 for node, text in bad_nodes.items():
468 ToStdout("Error gathering data on node %s: %s",
469 node, utils.SafeEncode(text[-400:]))
471 ToStdout("You need to fix these nodes first before fixing instances")
474 for iname in instances:
477 op = opcodes.OpActivateInstanceDisks(instance_name=iname)
479 ToStdout("Activating disks for instance '%s'", iname)
480 SubmitOpCode(op, opts=opts, cl=cl)
481 except errors.GenericError, err:
482 nret, msg = FormatError(err)
484 ToStderr("Error activating disks for instance %s: %s", iname, msg)
487 (vg_name, ) = cl.QueryConfigValues(["volume_group_name"])
489 for iname, ival in missing.iteritems():
490 all_missing = compat.all(x[0] in bad_nodes for x in ival)
492 ToStdout("Instance %s cannot be verified as it lives on"
493 " broken nodes", iname)
495 ToStdout("Instance %s has missing logical volumes:", iname)
497 for node, vol in ival:
498 if node in bad_nodes:
499 ToStdout("\tbroken node %s /dev/%s/%s", node, vg_name, vol)
501 ToStdout("\t%s /dev/%s/%s", node, vg_name, vol)
503 ToStdout("You need to run replace_disks for all the above"
504 " instances, if this message persist after fixing nodes.")
510 def RepairDiskSizes(opts, args):
511 """Verify sizes of cluster disks.
513 @param opts: the command line options selected by the user
515 @param args: optional list of instances to restrict check to
517 @return: the desired exit code
520 op = opcodes.OpRepairDiskSizes(instances=args)
521 SubmitOpCode(op, opts=opts)
525 def MasterFailover(opts, args):
526 """Failover the master node.
528 This command, when run on a non-master node, will cause the current
529 master to cease being master, and the non-master to become new
532 @param opts: the command line options selected by the user
534 @param args: should be an empty list
536 @return: the desired exit code
540 usertext = ("This will perform the failover even if most other nodes"
541 " are down, or if this node is outdated. This is dangerous"
542 " as it can lead to a non-consistent cluster. Check the"
543 " gnt-cluster(8) man page before proceeding. Continue?")
544 if not AskUser(usertext):
547 return bootstrap.MasterFailover(no_voting=opts.no_voting)
550 def MasterPing(opts, args):
551 """Checks if the master is alive.
553 @param opts: the command line options selected by the user
555 @param args: should be an empty list
557 @return: the desired exit code
562 cl.QueryClusterInfo()
564 except Exception: # pylint: disable-msg=W0703
568 def SearchTags(opts, args):
569 """Searches the tags on all the cluster.
571 @param opts: the command line options selected by the user
573 @param args: should contain only one element, the tag pattern
575 @return: the desired exit code
578 op = opcodes.OpSearchTags(pattern=args[0])
579 result = SubmitOpCode(op, opts=opts)
582 result = list(result)
584 for path, tag in result:
585 ToStdout("%s %s", path, tag)
588 def _RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename,
589 new_confd_hmac_key, new_cds, cds_filename,
591 """Renews cluster certificates, keys and secrets.
593 @type new_cluster_cert: bool
594 @param new_cluster_cert: Whether to generate a new cluster certificate
595 @type new_rapi_cert: bool
596 @param new_rapi_cert: Whether to generate a new RAPI certificate
597 @type rapi_cert_filename: string
598 @param rapi_cert_filename: Path to file containing new RAPI certificate
599 @type new_confd_hmac_key: bool
600 @param new_confd_hmac_key: Whether to generate a new HMAC key
602 @param new_cds: Whether to generate a new cluster domain secret
603 @type cds_filename: string
604 @param cds_filename: Path to file containing new cluster domain secret
606 @param force: Whether to ask user for confirmation
609 if new_rapi_cert and rapi_cert_filename:
610 ToStderr("Only one of the --new-rapi-certficate and --rapi-certificate"
611 " options can be specified at the same time.")
614 if new_cds and cds_filename:
615 ToStderr("Only one of the --new-cluster-domain-secret and"
616 " --cluster-domain-secret options can be specified at"
620 if rapi_cert_filename:
621 # Read and verify new certificate
623 rapi_cert_pem = utils.ReadFile(rapi_cert_filename)
625 OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM,
627 except Exception, err: # pylint: disable-msg=W0703
628 ToStderr("Can't load new RAPI certificate from %s: %s" %
629 (rapi_cert_filename, str(err)))
633 OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, rapi_cert_pem)
634 except Exception, err: # pylint: disable-msg=W0703
635 ToStderr("Can't load new RAPI private key from %s: %s" %
636 (rapi_cert_filename, str(err)))
644 cds = utils.ReadFile(cds_filename)
645 except Exception, err: # pylint: disable-msg=W0703
646 ToStderr("Can't load new cluster domain secret from %s: %s" %
647 (cds_filename, str(err)))
653 usertext = ("This requires all daemons on all nodes to be restarted and"
654 " may take some time. Continue?")
655 if not AskUser(usertext):
658 def _RenewCryptoInner(ctx):
659 ctx.feedback_fn("Updating certificates and keys")
660 bootstrap.GenerateClusterCrypto(new_cluster_cert, new_rapi_cert,
663 rapi_cert_pem=rapi_cert_pem,
669 files_to_copy.append(constants.NODED_CERT_FILE)
671 if new_rapi_cert or rapi_cert_pem:
672 files_to_copy.append(constants.RAPI_CERT_FILE)
674 if new_confd_hmac_key:
675 files_to_copy.append(constants.CONFD_HMAC_KEY)
678 files_to_copy.append(constants.CLUSTER_DOMAIN_SECRET_FILE)
681 for node_name in ctx.nonmaster_nodes:
682 ctx.feedback_fn("Copying %s to %s" %
683 (", ".join(files_to_copy), node_name))
684 for file_name in files_to_copy:
685 ctx.ssh.CopyFileToNode(node_name, file_name)
687 RunWhileClusterStopped(ToStdout, _RenewCryptoInner)
689 ToStdout("All requested certificates and keys have been replaced."
690 " Running \"gnt-cluster verify\" now is recommended.")
695 def RenewCrypto(opts, args):
696 """Renews cluster certificates, keys and secrets.
699 return _RenewCrypto(opts.new_cluster_cert,
702 opts.new_confd_hmac_key,
703 opts.new_cluster_domain_secret,
704 opts.cluster_domain_secret,
708 def SetClusterParams(opts, args):
709 """Modify the cluster.
711 @param opts: the command line options selected by the user
713 @param args: should be an empty list
715 @return: the desired exit code
718 if not (not opts.lvm_storage or opts.vg_name or
719 not opts.drbd_storage or opts.drbd_helper or
720 opts.enabled_hypervisors or opts.hvparams or
721 opts.beparams or opts.nicparams or opts.ndparams or
722 opts.candidate_pool_size is not None or
723 opts.uid_pool is not None or
724 opts.maintain_node_health is not None or
725 opts.add_uids is not None or
726 opts.remove_uids is not None or
727 opts.default_iallocator is not None or
728 opts.reserved_lvs is not None or
729 opts.master_netdev is not None or
730 opts.prealloc_wipe_disks is not None):
731 ToStderr("Please give at least one of the parameters.")
734 vg_name = opts.vg_name
735 if not opts.lvm_storage and opts.vg_name:
736 ToStderr("Options --no-lvm-storage and --vg-name conflict.")
739 if not opts.lvm_storage:
742 drbd_helper = opts.drbd_helper
743 if not opts.drbd_storage and opts.drbd_helper:
744 ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
747 if not opts.drbd_storage:
750 hvlist = opts.enabled_hypervisors
751 if hvlist is not None:
752 hvlist = hvlist.split(",")
754 # a list of (name, dict) we can pass directly to dict() (or [])
755 hvparams = dict(opts.hvparams)
756 for hv_params in hvparams.values():
757 utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
759 beparams = opts.beparams
760 utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
762 nicparams = opts.nicparams
763 utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)
765 ndparams = opts.ndparams
766 if ndparams is not None:
767 utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
769 mnh = opts.maintain_node_health
771 uid_pool = opts.uid_pool
772 if uid_pool is not None:
773 uid_pool = uidpool.ParseUidPool(uid_pool)
775 add_uids = opts.add_uids
776 if add_uids is not None:
777 add_uids = uidpool.ParseUidPool(add_uids)
779 remove_uids = opts.remove_uids
780 if remove_uids is not None:
781 remove_uids = uidpool.ParseUidPool(remove_uids)
783 if opts.reserved_lvs is not None:
784 if opts.reserved_lvs == "":
785 opts.reserved_lvs = []
787 opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")
789 op = opcodes.OpSetClusterParams(vg_name=vg_name,
790 drbd_helper=drbd_helper,
791 enabled_hypervisors=hvlist,
797 candidate_pool_size=opts.candidate_pool_size,
798 maintain_node_health=mnh,
801 remove_uids=remove_uids,
802 default_iallocator=opts.default_iallocator,
803 prealloc_wipe_disks=opts.prealloc_wipe_disks,
804 master_netdev=opts.master_netdev,
805 reserved_lvs=opts.reserved_lvs)
806 SubmitOpCode(op, opts=opts)
810 def QueueOps(opts, args):
813 @param opts: the command line options selected by the user
815 @param args: should contain only one element, the subcommand
817 @return: the desired exit code
822 if command in ("drain", "undrain"):
823 drain_flag = command == "drain"
824 client.SetQueueDrainFlag(drain_flag)
825 elif command == "info":
826 result = client.QueryConfigValues(["drain_flag"])
831 ToStdout("The drain flag is %s" % val)
833 raise errors.OpPrereqError("Command '%s' is not valid." % command,
839 def _ShowWatcherPause(until):
840 if until is None or until < time.time():
841 ToStdout("The watcher is not paused.")
843 ToStdout("The watcher is paused until %s.", time.ctime(until))
846 def WatcherOps(opts, args):
847 """Watcher operations.
849 @param opts: the command line options selected by the user
851 @param args: should contain only one element, the subcommand
853 @return: the desired exit code
859 if command == "continue":
860 client.SetWatcherPause(None)
861 ToStdout("The watcher is no longer paused.")
863 elif command == "pause":
865 raise errors.OpPrereqError("Missing pause duration", errors.ECODE_INVAL)
867 result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
868 _ShowWatcherPause(result)
870 elif command == "info":
871 result = client.QueryConfigValues(["watcher_pause"])
872 _ShowWatcherPause(result[0])
875 raise errors.OpPrereqError("Command '%s' is not valid." % command,
883 InitCluster, [ArgHost(min=1, max=1)],
884 [BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT,
885 HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, NIC_PARAMS_OPT,
886 NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, NOMODIFY_SSH_SETUP_OPT,
887 SECONDARY_IP_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT,
888 UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT,
889 DEFAULT_IALLOCATOR_OPT, PRIMARY_IP_VERSION_OPT, PREALLOC_WIPE_DISKS_OPT,
891 "[opts...] <cluster_name>", "Initialises a new cluster configuration"),
893 DestroyCluster, ARGS_NONE, [YES_DOIT_OPT],
894 "", "Destroy cluster"),
896 RenameCluster, [ArgHost(min=1, max=1)],
897 [FORCE_OPT, DRY_RUN_OPT],
899 "Renames the cluster"),
901 RedistributeConfig, ARGS_NONE, [SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT],
902 "", "Forces a push of the configuration file and ssconf files"
903 " to the nodes in the cluster"),
905 VerifyCluster, ARGS_NONE,
906 [VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT,
907 DRY_RUN_OPT, PRIORITY_OPT],
908 "", "Does a check on the cluster configuration"),
910 VerifyDisks, ARGS_NONE, [PRIORITY_OPT],
911 "", "Does a check on the cluster disk status"),
912 'repair-disk-sizes': (
913 RepairDiskSizes, ARGS_MANY_INSTANCES, [DRY_RUN_OPT, PRIORITY_OPT],
914 "", "Updates mismatches in recorded disk sizes"),
916 MasterFailover, ARGS_NONE, [NOVOTING_OPT],
917 "", "Makes the current node the master"),
919 MasterPing, ARGS_NONE, [],
920 "", "Checks if the master is alive"),
922 ShowClusterVersion, ARGS_NONE, [],
923 "", "Shows the cluster version"),
925 ShowClusterMaster, ARGS_NONE, [],
926 "", "Shows the cluster master"),
928 ClusterCopyFile, [ArgFile(min=1, max=1)],
929 [NODE_LIST_OPT, USE_REPL_NET_OPT],
930 "[-n node...] <filename>", "Copies a file to all (or only some) nodes"),
932 RunClusterCommand, [ArgCommand(min=1)],
934 "[-n node...] <command>", "Runs a command on all (or only some) nodes"),
936 ShowClusterConfig, ARGS_NONE, [ROMAN_OPT],
937 "[--roman]", "Show cluster configuration"),
939 ListTags, ARGS_NONE, [], "", "List the tags of the cluster"),
941 AddTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT],
942 "tag...", "Add tags to the cluster"),
944 RemoveTags, [ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT],
945 "tag...", "Remove tags from the cluster"),
947 SearchTags, [ArgUnknown(min=1, max=1)], [PRIORITY_OPT], "",
948 "Searches the tags on all objects on"
949 " the cluster for a given pattern (regex)"),
952 [ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])],
953 [], "drain|undrain|info", "Change queue properties"),
956 [ArgChoice(min=1, max=1, choices=["pause", "continue", "info"]),
957 ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])],
959 "{pause <timespec>|continue|info}", "Change watcher properties"),
961 SetClusterParams, ARGS_NONE,
962 [BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT, MASTER_NETDEV_OPT,
963 NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT, MAINTAIN_NODE_HEALTH_OPT,
964 UIDPOOL_OPT, ADD_UIDS_OPT, REMOVE_UIDS_OPT, DRBD_HELPER_OPT,
965 NODRBD_STORAGE_OPT, DEFAULT_IALLOCATOR_OPT, RESERVED_LVS_OPT,
966 DRY_RUN_OPT, PRIORITY_OPT, PREALLOC_WIPE_DISKS_OPT, NODE_PARAMS_OPT],
968 "Alters the parameters of the cluster"),
970 RenewCrypto, ARGS_NONE,
971 [NEW_CLUSTER_CERT_OPT, NEW_RAPI_CERT_OPT, RAPI_CERT_OPT,
972 NEW_CONFD_HMAC_KEY_OPT, FORCE_OPT,
973 NEW_CLUSTER_DOMAIN_SECRET_OPT, CLUSTER_DOMAIN_SECRET_OPT],
975 "Renews cluster certificates, keys and secrets"),
979 #: dictionary with aliases for commands
981 'masterfailover': 'master-failover',
986 return GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER},